31014720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 252

約数和(自身を含む): 118574820

約数和(自身を除く): 87560100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 89, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 178, 180, 192, 198, 220, 240, 242, 264, 267, 288, 320, 330, 352, 356, 360, 363, 396, 440, 445, 480, 484, 495, 528, 534, 576, 605, 660, 704, 712, 720, 726, 792, 801, 880, 890, 960, 968, 979, 990, 1056, 1068, 1089, 1210, 1320, 1335, 1424, 1440, 1452, 1584, 1602, 1760, 1780, 1815, 1936, 1958, 1980, 2112, 2136, 2178, 2420, 2640, 2670, 2848, 2880, 2904, 2937, 3168, 3204, 3520, 3560, 3630, 3872, 3916, 3960, 4005, 4272, 4356, 4840, 4895, 5280, 5340, 5445, 5696, 5808, 5874, 6336, 6408, 7120, 7260, 7744, 7832, 7920, 8010, 8544, 8712, 8811, 9680, 9790, 10560, 10680, 10769, 10890, 11616, 11748, 12816, 14240, 14520, 14685, 15664, 15840, 16020, 17088, 17424, 17622, 19360, 19580, 21360, 21538, 21780, 23232, 23496, 25632, 28480, 29040, 29370, 31328, 31680, 32040, 32307, 34848, 35244, 38720, 39160, 42720, 43076, 43560, 44055, 46992, 51264, 53845, 58080, 58740, 62656, 64080, 64614, 69696, 70488, 78320, 85440, 86152, 87120, 88110, 93984, 96921, 107690, 116160, 117480, 128160, 129228, 140976, 156640, 161535, 172304, 174240, 176220, 187968, 193842, 215380, 234960, 256320, 258456, 281952, 313280, 323070, 344608, 348480, 352440, 387684, 430760, 469920, 484605, 516912, 563904, 646140, 689216, 704880, 775368, 861520, 939840, 969210, 1033824, 1292280, 1409760, 1550736, 1723040, 1938420, 2067648, 2584560, 2819520, 3101472, 3446080, 3876840, 5169120, 6202944, 7753680, 10338240, 15507360, 31014720]

約数ペア:

[(1, 31014720), (2, 15507360), (3, 10338240), (4, 7753680), (5, 6202944), (6, 5169120), (8, 3876840), (9, 3446080), (10, 3101472), (11, 2819520), (12, 2584560), (15, 2067648), (16, 1938420), (18, 1723040), (20, 1550736), (22, 1409760), (24, 1292280), (30, 1033824), (32, 969210), (33, 939840), (36, 861520), (40, 775368), (44, 704880), (45, 689216), (48, 646140), (55, 563904), (60, 516912), (64, 484605), (66, 469920), (72, 430760), (80, 387684), (88, 352440), (89, 348480), (90, 344608), (96, 323070), (99, 313280), (110, 281952), (120, 258456), (121, 256320), (132, 234960), (144, 215380), (160, 193842), (165, 187968), (176, 176220), (178, 174240), (180, 172304), (192, 161535), (198, 156640), (220, 140976), (240, 129228), (242, 128160), (264, 117480), (267, 116160), (288, 107690), (320, 96921), (330, 93984), (352, 88110), (356, 87120), (360, 86152), (363, 85440), (396, 78320), (440, 70488), (445, 69696), (480, 64614), (484, 64080), (495, 62656), (528, 58740), (534, 58080), (576, 53845), (605, 51264), (660, 46992), (704, 44055), (712, 43560), (720, 43076), (726, 42720), (792, 39160), (801, 38720), (880, 35244), (890, 34848), (960, 32307), (968, 32040), (979, 31680), (990, 31328), (1056, 29370), (1068, 29040), (1089, 28480), (1210, 25632), (1320, 23496), (1335, 23232), (1424, 21780), (1440, 21538), (1452, 21360), (1584, 19580), (1602, 19360), (1760, 17622), (1780, 17424), (1815, 17088), (1936, 16020), (1958, 15840), (1980, 15664), (2112, 14685), (2136, 14520), (2178, 14240), (2420, 12816), (2640, 11748), (2670, 11616), (2848, 10890), (2880, 10769), (2904, 10680), (2937, 10560), (3168, 9790), (3204, 9680), (3520, 8811), (3560, 8712), (3630, 8544), (3872, 8010), (3916, 7920), (3960, 7832), (4005, 7744), (4272, 7260), (4356, 7120), (4840, 6408), (4895, 6336), (5280, 5874), (5340, 5808), (5445, 5696)]